← Review table (mtb) · shopper page

Trek Procaliber 8 - 2026

mount7:17753cb5e34930f4639f83f9bfe1fc54 · source URL · confidence 0.95 · GTIN 0197216224938, 0197216224945, 0197216224952, 0197216224969 +6

Eligibility

Cannot win: availability is out-of-stock; no size confirmed in stock

Size decisions

retailer labelalphacomparable cmmatchmappingin stockvariant priceevidence
SSunknownunsupportedno€1.399
LLunknownunsupportedno€1.399
MMunknownunsupportedno€1.399
MLM/Lunknownunsupportedno€1.399
XLXLunknownunsupportedno€1.399
mappingunsupported
reasonTrek publishes no defensible conventional equivalence for its letter sizes. Trek states it 'recently transitioned Trek road bike sizing from numerical sizing to alpha sizing' and now publishes height and inseam only. The centimetre figures retailers print beside Trek letters are per-model seat-tube lengths, not size names: the same 'M' appears as 47.6 cm on a Madone and 50 cm on a Domane, and 'S' also appears as 47.6 cm. The only cm-to-letter statement Trek makes is partial — the Madone Gen 8 FAQ says 'Sizes 52cm and 54cm have been combined into one size (M) and size 62cm has been replaced with a new XL frame' — which accounts for two of eight old sizes and leaves 58 cm and 60 cm unresolved between L and XL. Any complete mapping would have to be invented, so Trek keeps its letters and its retailer-printed centimetres are discarded rather than read as conventional sizes.

A shopper asking for: 54 → nothing compatible · 56 → nothing compatible · 58 → nothing compatible · 60 → nothing compatible

Identity

Canonical configuration: Trek | Procaliber 8 | SLX | 2026
Confidence: high

retailerpricesizes in stock
Mount7€1.399nonedebug
BikeExchange€1.399Ldebug

Provenance — why we believe each fact

fieldsourceevidence
brandretailer:mount7 / parseTrek
modelretailer:mount7 / derivedTrek Procaliber 8 - 2026
modelYearretailer:mount7 / parseTrek Procaliber 8 - 2026
categoryretailer:mount7 / derivedretailer taxonomy
frameMaterialretailer:mount7 / parseAluminium
groupsetFamilyretailer:mount7 / dictionaryShimano SLX M7100, 12-fach || Shimano XT M8100, 12-fach
electronicShiftingretailer:mount7 / derivedShimano SLX M7100, 12-fach || Shimano XT M8100, 12-fach
speedsretailer:mount7 / parse12-fach
brakesretailer:mount7 / parseHydraulische Scheibenbremse
suspensionretailer:mount7 / derivedsuspension fork "RockShox Recon Gold RL, Federweg: 120 mm, Technologien: Debo" and no rear shock in a 20-field spec table
forkretailer:mount7 / dictionaryRockShox Recon Gold RL, Federweg: 120 mm, Technologien: DebonAir-Luftfeder, Motion Control-Dämpfer, Lockout, Achse: Boos
dropperPostretailer:mount7 / derivedLine Dropper
wheelMaterialretailer:mount7 / parseAluminium
powerMeterretailer:mount7 / derivedabsent from a 20-field spec table
availabilityretailer:mount7 / derivedsizes 5: 0 stocked, 0 order-only

Warnings

Score breakdown

{
  "frameScore": 11,
  "drivetrainScore": 20,
  "wheelScore": 5,
  "extrasScore": 3,
  "suspensionScore": 4,
  "weightAdjustment": 0,
  "equipmentValue": 43,
  "notes": [
    "Shimano SLX = 20.",
    "Mixed groupset, but no crank or cassette below the family it is ranked as: no penalty.",
    "Wheels unknown: scored level with basic aluminium, which is neither a reward for omitting the wheelset nor a penalty for naming a cheap one.",
    "Brakes \"hydraulic-disc\" = 0, the baseline for mtb-hardtail.",
    "Weight not published: no weight adjustment either way.",
    "Fork \"entry\" +4 (120 mm travel, which is not scored).",
    "Dropper post +3."
  ],
  "marketPrice": 1260,
  "valueScore": 0.901,
  "savingsVsMarket": -139
}

AI normalization

{
  "requested": [
    "wheelMaterial",
    "wheelTier",
    "weightKg"
  ],
  "applied": [],
  "rejected": [],
  "notes": "groupset contains Shimano XT (derailleur) and Shimano SLX (shifters) plus an e*thirteen crank, so mixedGroupset set to true. groupsetFamily recorded as 'XT' based on the listed derailleur (Shimano XT M8100); alternative would be 'SLX' for shifters but a single family was required. wheelTier left null because Bontrager is a house-brand wheelset and no explicit tier mapping is provided. weightKg and electronicShifting not stated in source.",
  "raw": {
    "frameMaterial": {
      "value": "aluminium",
      "evidence": "Rahmenmaterial: Alpha Platinum Aluminium",
      "confidence": 0.95
    },
    "groupsetBrand": {
      "value": "Shimano",
      "evidence": "Shimano XT M8100",
      "confidence": 0.9
    },
    "groupsetFamily": {
      "value": "XT",
      "evidence": "Shimano XT M8100",
      "confidence": 0.7
    },
    "electronicShifting": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "speeds": {
      "value": "12",
      "evidence": "12-fach",
      "confidence": 0.95
    },
    "mixedGroupset": {
      "value": "true",
      "evidence": "Schaltwerk: Shimano XT M8100, 12-fach\nSchalthebel: Shimano SLX M7100, 12-fach\nKurbel: e*thirteen Helix",
      "confidence": 0.95
    },
    "wheelMaterial": {
      "value": "aluminium",
      "evidence": "Felgen: Bontrager Kovee, Material: Aluminium",
      "confidence": 0.95
    },
    "wheelTier": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "brakes": {
      "value": "hydraulic-disc",
      "evidence": "Bremsen: Shimano MT4100, Bremssystem: Hydraulische Scheibenbremse",
      "confidence": 0.95
    },
    "weightKg": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "powerMeter": {
      "value": null,
      "evidence": null,
      "confidence": 0
    },
    "notes": "groupset contains Shimano XT (derailleur) and Shimano SLX (shifters) plus an e*thirteen crank, so mixedGroupset set to true. groupsetFamily recorded as 'XT' based on the listed derailleur (Shimano XT M8100); alternative would be 'SLX' for shifters but a single family was required. wheelTier left null because Bontrager is a house-brand wheelset and no explicit tier mapping is provided. weightKg and electronicShifting not stated in source."
  }
}

Normalized record

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  "retailer": "mount7",
  "retailerProductId": "17753cb5e34930f4639f83f9bfe1fc54",
  "productUrl": "https://www.mount7.com/trek-procaliber-8-2026.html",
  "brand": "Trek",
  "model": "Procaliber 8",
  "modelYear": 2026,
  "category": "mtb",
  "categoryBasis": "route",
  "sourceCategory": "mtb",
  "price": 1399,
  "originalPrice": null,
  "currency": "EUR",
  "discountPercent": null,
  "frameMaterial": "aluminium",
  "frameModel": null,
  "frameTier": null,
  "groupsetBrand": "Shimano",
  "groupsetFamily": "SLX",
  "groupsetGeneration": null,
  "electronicShifting": false,
  "speeds": 12,
  "mixedGroupset": true,
  "groupsetComponents": {
    "shifters": "SLX",
    "rearDerailleur": "XT",
    "cassette": "SLX"
  },
  "groupsetTierSpread": 0,
  "crank": "e*thirteen Helix, Kettenblatt: Stahl, 30 Zähne, Kurbelarmlänge: 175 mm (XL, ML, L) / 170 mm (S, M), Kettenlinie: 52 mm, Wellenlänge: 73 mm",
  "cassette": "Shimano SLX M7100, Übersetzung: 10-51 Zähne",
  "brakes": "hydraulic-disc",
  "brakePistons": null,
  "brakeTier": "unknown",
  "suspension": "front",
  "fork": {
    "make": "RockShox",
    "line": "Recon",
    "tier": "entry",
    "travelMm": 120
  },
  "rearShock": null,
  "dropperPost": true,
  "beltDrive": null,
  "hubDynamo": null,
  "rack": null,
  "mudguards": null,
  "chaincase": null,
  "kickstand": null,
  "lighting": null,
  "wheelSize": null,
  "wheelset": "Bontrager Kovee, Material: Aluminium, Hohlkammerfelge, Details: Tubeless Ready, 28-Loch, 23 mm Innenweite",
  "wheelMaterial": "aluminium",
  "wheelTier": "unknown",
  "tyres": "Maxxis Rekon Race, Größe: 29 x 2.40 Zoll, Details: Tubeless Ready, EXO-Karkasse, faltbarer Wulstkern, 60 TPI",
  "weightKg": null,
  "powerMeter": false,
  "powerMeterKind": null,
  "availableSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "seller": null,
  "availability": "out-of-stock",
  "gtins": [
    "0197216224938",
    "0197216224945",
    "0197216224952",
    "0197216224969",
    "0197216224976",
    "0197216224983",
    "0197216224990",
    "0197216225003",
    "0197216225010",
    "0197216225027"
  ],
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/Procaliber8-26-57370-B-Primary.jpg",
  "rawTitle": "Trek Procaliber 8 - 2026",
  "fetchedAt": "2026-09-19T06:02:41.813Z",
  "normalizationConfidence": 0.95,
  "warnings": [
    {
      "code": "mixed-groupset",
      "message": "Not a uniform groupset: {\"shifters\":\"SLX\",\"rearDerailleur\":\"XT\",\"cassette\":\"SLX\"}. Ranked on the shifting level, with a penalty.",
      "severity": "info"
    }
  ]
}

Parsed specification table

{
  "Rahmenmaterial": "Alpha Platinum Aluminium",
  "Geometrie": "Moderne XC-Geometrie mit konischem Steuerrohr, interne Zugführung, BSA 73, versteckte Gepäckträger- und Seitenständeraufnahmen, UDH, Boost148, 12 mm Steckachse",
  "Verfügbare Größen": "S, M, ML, L, XL",
  "Farben": "Fury Red, Matte Mercury/Lithium Grey",
  "Gabel": "RockShox Recon Gold RL, Federweg: 120 mm, Technologien: DebonAir-Luftfeder, Motion Control-Dämpfer, Lockout, Achse: Boost110, 15 mm Maxle Stealth-Achse, Gabelschaft: Konisch, 42 mm Offset",
  "Schaltwerk": "Shimano XT M8100, 12-fach",
  "Schalthebel": "Shimano SLX M7100, 12-fach",
  "Kurbel": "e*thirteen Helix, Kettenblatt: Stahl, 30 Zähne, Kurbelarmlänge: 175 mm (XL, ML, L) / 170 mm (S, M), Kettenlinie: 52 mm, Wellenlänge: 73 mm",
  "Kassette": "Shimano SLX M7100, Übersetzung: 10-51 Zähne",
  "Kette": "Shimano SLX M7100, 12-fach",
  "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
  "Bremsen": "Shimano MT4100, Bremssystem: Hydraulische Scheibenbremse",
  "Felgen": "Bontrager Kovee, Material: Aluminium, Hohlkammerfelge, Details: Tubeless Ready, 28-Loch, 23 mm Innenweite",
  "Reifen": "Maxxis Rekon Race, Größe: 29 x 2.40 Zoll, Details: Tubeless Ready, EXO-Karkasse, faltbarer Wulstkern, 60 TPI",
  "Lenker": "Bontrager Rhythm Comp (XL, ML, L) / Bontrager Comp (S, M), Material: Aluminium, Klemmung: 31,8 mm, Breite: 750 mm (XL, ML, L) / 720 mm (S, M), Rise: 15 mm (XL, ML, L) / 5 mm (S, M)",
  "Griffe": "Trek Line Comp, Nylonschraubklemmung",
  "Steuersatz": "Semi-integriertes, gedichtetes Kompaktlager, Aluminiumschalen, 1 1/8\" oben, 1,5\" unten",
  "Sattel": "Verse Short, CrMo-Streben, 145 mm Breite",
  "Sattelstütze": "Bontrager Line Dropper, Typ: Absenkbar, Durchmesser: 31.6 mm, Hub: 170 mm (XL), 150 mm (ML, L), 100 mm (S, M)",
  "Pedale": "VP-536, Nylonplattform"
}

Raw adapter output

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  "retailer": "mount7",
  "retailerProductId": "17753cb5e34930f4639f83f9bfe1fc54",
  "productUrl": "https://www.mount7.com/trek-procaliber-8-2026.html",
  "extractionMethod": "json-ld",
  "sourceCategory": "mtb",
  "rawTitle": "Trek Procaliber 8 - 2026",
  "rawBrand": "Trek",
  "price": 1399,
  "originalPrice": null,
  "currency": "EUR",
  "imageUrl": "https://www.mount7.com/out/pictures/ys_generated/320_255_75/out/pictures/master/product/1/Procaliber8-26-57370-B-Primary.jpg",
  "rawSpecifications": {
    "Rahmenmaterial": "Alpha Platinum Aluminium",
    "Geometrie": "Moderne XC-Geometrie mit konischem Steuerrohr, interne Zugführung, BSA 73, versteckte Gepäckträger- und Seitenständeraufnahmen, UDH, Boost148, 12 mm Steckachse",
    "Verfügbare Größen": "S, M, ML, L, XL",
    "Farben": "Fury Red, Matte Mercury/Lithium Grey",
    "Gabel": "RockShox Recon Gold RL, Federweg: 120 mm, Technologien: DebonAir-Luftfeder, Motion Control-Dämpfer, Lockout, Achse: Boost110, 15 mm Maxle Stealth-Achse, Gabelschaft: Konisch, 42 mm Offset",
    "Schaltwerk": "Shimano XT M8100, 12-fach",
    "Schalthebel": "Shimano SLX M7100, 12-fach",
    "Kurbel": "e*thirteen Helix, Kettenblatt: Stahl, 30 Zähne, Kurbelarmlänge: 175 mm (XL, ML, L) / 170 mm (S, M), Kettenlinie: 52 mm, Wellenlänge: 73 mm",
    "Kassette": "Shimano SLX M7100, Übersetzung: 10-51 Zähne",
    "Kette": "Shimano SLX M7100, 12-fach",
    "Tretlager": "Shimano BB-MT501, BSA-Gewinde",
    "Bremsen": "Shimano MT4100, Bremssystem: Hydraulische Scheibenbremse",
    "Felgen": "Bontrager Kovee, Material: Aluminium, Hohlkammerfelge, Details: Tubeless Ready, 28-Loch, 23 mm Innenweite",
    "Reifen": "Maxxis Rekon Race, Größe: 29 x 2.40 Zoll, Details: Tubeless Ready, EXO-Karkasse, faltbarer Wulstkern, 60 TPI",
    "Lenker": "Bontrager Rhythm Comp (XL, ML, L) / Bontrager Comp (S, M), Material: Aluminium, Klemmung: 31,8 mm, Breite: 750 mm (XL, ML, L) / 720 mm (S, M), Rise: 15 mm (XL, ML, L) / 5 mm (S, M)",
    "Griffe": "Trek Line Comp, Nylonschraubklemmung",
    "Steuersatz": "Semi-integriertes, gedichtetes Kompaktlager, Aluminiumschalen, 1 1/8\" oben, 1,5\" unten",
    "Sattel": "Verse Short, CrMo-Streben, 145 mm Breite",
    "Sattelstütze": "Bontrager Line Dropper, Typ: Absenkbar, Durchmesser: 31.6 mm, Hub: 170 mm (XL), 150 mm (ML, L), 100 mm (S, M)",
    "Pedale": "VP-536, Nylonplattform"
  },
  "rawFeatures": [
    "Der Morgen ist still, nur das leichte Surren Deiner Reifen - und plötzlich katapultiert Dich ein kurzer, entschlossener Tritt vorbei an der Konkurrenz. Dieses Gefühl von unmittelbarer Beschleunigung und kompromissloser Effizienz ist die Domäne des Procaliber 8 - 2026, einem echten Cross-Country-Hardtail, das Dich auf schnellen Runden und technischen Sektionen gleichermaßen nach vorne bringt.<br><br>Wenn Du aus dem Sattel gehst, merkst Du sofort, wie jede Wattzahl in Vortrieb verwandelt wird: Der leichte, steife Alpha Platinum Aluminium-Rahmen liefert direkte Kraftübertragung, die Kombination aus 30-Zahn-Kettenblatt und 10–51er Kassette ermöglicht steile Antritte ohne Stocken. Dazu die bewährte Präzision von Shimano XT und SLX 12-fach-Schaltung – das Ergebnis ist blitzschnelles Schalten, saubere Kettengänge und spürbar mehr Tempo auf jeder Passage.<br><br>Auf ruppigem Untergrund bleibt das Fahrgefühl souverän und ruhig: Die 120 mm RockShox Recon Gold RL-Gabel mit DebonAir-Luftfeder und Motion Control-Dämpfung schluckt Schläge, ohne Dir Schwammigkeit zu schenken. Auf Bontrager Kovee-Laufrädern und griffigen Maxxis Rekon Race-Reifen rollst Du agil, mit niedrigem Widerstand und hoher Pannensicherheit. Hydraulische Shimano MT4100-Scheibenbremsen geben Dir jederzeit die Kontrolle zurück und lassen Dich selbst enge Kurven spät anbremsen.<br><br>Die moderne XC-Geometrie, interne Zugführung und Boost-Aufbau machen das Handling präzise und vertrauenerweckend – und die absenkbare Bontrager Line Dropper verschafft Dir blitzschnelle Beweglichkeit für technische Abfahrten. Alles zusammen ergibt ein Fahrrad, das sich leicht wie ein Trainingspartner anfühlt und schnell wie ein Renngerät fährt.<br><br>Das Procaliber 8 - 2026 ist gebaut für FahrerInnen, die Tempo, Direktheit und Kontrolle fordern. Wenn Du deine Runden schneller, sauberer und mit mehr Spaß fahren willst, ist dieses Bike Dein Werkzeug für podiumreife Runden und unvergessliche Trail-Momente. Steig auf und erlebe, wie effizientes Design Deine Fahrten verändert."
  ],
  "rawSizes": [
    {
      "rawSize": "S",
      "size": "S",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "L",
      "size": "L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "M",
      "size": "M",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "ML",
      "size": "M/L",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    },
    {
      "rawSize": "XL",
      "size": "XL",
      "sizeCm": null,
      "inStock": false,
      "stockCount": null,
      "price": 1399,
      "preorder": false,
      "deliveryNote": null
    }
  ],
  "availabilityText": "sizes 5: 0 stocked, 0 order-only",
  "fetchedAt": "2026-09-19T06:02:41.813Z",
  "sourceMeta": {
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    "shopSkus": [
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    "productGroupId": "17753cb5e34930f4639f83f9bfe1fc54",
    "shopCategory": "MTB-Hardtails",
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    "listingStock": null
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}

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